cleanup unused imports

h2/src/main/org/h2/command/Parser.java

@@ -81,7 +81,6 @@ import org.h2.engine.Constants;
 import org.h2.engine.Database;
 import org.h2.engine.DbObject;
 import org.h2.engine.FunctionAlias;
-import org.h2.engine.Mode;
 import org.h2.engine.Procedure;
 import org.h2.engine.Right;
 import org.h2.engine.Session;

h2/src/test/org/h2/test/db/TestFunctions.java

@@ -17,7 +17,6 @@ import java.sql.CallableStatement;
 import java.sql.Clob;
 import java.sql.Connection;
 import java.sql.DatabaseMetaData;
-import java.sql.Date;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;